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JPL Small-Body Database Browser
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523814 (2008 WN2)
Classification: Apollo [NEO, PHA]          SPK-ID: 2523814
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 62 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3117954626177336 2.3208e-08  
a 1.417918865059784 1.0278e-08 au
q .9758181965740569 3.316e-08 au
i 3.747448040835003 6.1573e-06 deg
node 227.1589956293283 4.3696e-05 deg
peri 283.2843939185013 4.7935e-05 deg
M 8.58213054313288 2.8917e-05 deg
tp 2458585.798281139723
(2019-Apr-12.29828114)
4.9382e-05 TDB
period 616.7022003568327
1.69
6.7052e-06
1.836e-08
d
yr
n .5837501468159167 6.3469e-09 deg/d
Q 1.860019533545511 1.3482e-08 au
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      3618 days (9.91 yr)  
   first obs. used      2008-10-24  
   last obs. used      2018-09-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50737  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:47:10  

Additional Information
 Earth MOID = .0488302 au 
 Jupiter MOID = 3.15156 au 
 T_jup = 4.660 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 20.7   n/a E2013T78  

523814 (2008 WN2)          Discovered 2008-Oct-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2018-10-30

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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